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40493001 = 313497667
BaseRepresentation
bin1001101001110…
…1111111001001
32211012020221210
42122131333021
540331234001
64003523333
71001120253
oct232357711
984166853
1040493001
1120947a9a
1211689549
13850a073
145540cd3
15384cdd6
hex269dfc9

40493001 has 4 divisors (see below), whose sum is σ = 53990672. Its totient is φ = 26995332.

The previous prime is 40492987. The next prime is 40493029. The reversal of 40493001 is 10039404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40493001 - 26 = 40492937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40493051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6748831 + ... + 6748836.

It is an arithmetic number, because the mean of its divisors is an integer number (13497668).

Almost surely, 240493001 is an apocalyptic number.

It is an amenable number.

40493001 is a deficient number, since it is larger than the sum of its proper divisors (13497671).

40493001 is a wasteful number, since it uses less digits than its factorization.

40493001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13497670.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40493001 is about 6363.4111135459. The cubic root of 40493001 is about 343.3944892683.

The spelling of 40493001 in words is "forty million, four hundred ninety-three thousand, one".

Divisors: 1 3 13497667 40493001